1148000309 has 2 divisors, whose sum is σ = 1148000310. Its totient is φ = 1148000308.

The previous prime is 1148000303. The next prime is 1148000323. The reversal of 1148000309 is 9030008411.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1146838225 + 1162084 = 33865^2 + 1078^2 .

It is an emirp because it is prime and its reverse (9030008411) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1148000309 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1148000303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 574000154 + 574000155.

It is an arithmetic number, because the mean of its divisors is an integer number (574000155).

Almost surely, 2^1148000309 is an apocalyptic number.

It is an amenable number.

1148000309 is a deficient number, since it is larger than the sum of its proper divisors (1).

1148000309 is an equidigital number, since it uses as much as digits as its factorization.

1148000309 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 26.

The square root of 1148000309 is about 33882.1532521178. The cubic root of 1148000309 is about 1047.0819384233.

The spelling of 1148000309 in words is "one billion, one hundred forty-eight million, three hundred nine", and thus it is an aban number.